(adj) serving no useful purpose; having no excuse for being, Syn. senseless, superfluous, wasted, purposeless, pointless, Example:otiose lines in a play; advice is wasted words; a pointless remark; a life essentially purposeless; senseless violence
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
[刻舟求剑 / 刻舟求劍, kè zhōu qiú jiànㄎㄜˋ ㄓㄡ ㄑㄧㄡˊ ㄐㄧㄢˋ] lit. a notch on the side of a boat to locate a sword dropped overboard (成语 saw); fig. an action made pointless by changed circumstances#108584